Home / 1,325,601.28-1,829,329.44-721,989.28

Finding the Fourth Proportional to 1,325,601.28, 1,829,329.44 and 721,989.28

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Solution

The fourth proportional to 1,325,601.28, 1,829,329.44 and 721,989.28 is: 996,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,601.28 : 1,829,329.44 = 721,989.28 : x
  2. Step 2: Convert to fraction form
    1,325,601.28/1,829,329.44 = 721,989.28/x
  3. Step 3: Cross multiply
    1,325,601.28x = 1,829,329.44 × 721,989.28
  4. Step 4: Simplify right side
    1,325,601.28x = 1,320,756,245,268.40
  5. Step 5: Solve for x
    x = 1,320,756,245,268.40/1,325,601.28
  6. Step 6: Final answer
    x = 996,345.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.